a. Unload and reload filament, and see if filament can be extruded out normally.
b. Heat the nozzle and use needle to clean the nozzle and throat
c. Switch to L nozzle, and use order - “U10” to test the encoder. (Get approach to INTAMSYS service team) Figure 17-1
d. Check if something around idle feed roller is wrong.
e. Replace the encoder & its cable